CVE-2021-21973
KEVMEDIUM 5.3EPSS 88.0%
The vSphere Client (HTML5) contains an SSRF (Server Side Request Forgery) vulnerability due to improper validation of URLs in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue by sending a POST request to vCenter Server plugin leading to information disclosure. This affects: VMware vCenter Server (7.x before 7.0 U1c, 6.7 before 6.7 U3l and 6.5 before 6.5 U3n) and VMware Cloud Foundation (4.x before 4.2 and 3.x before 3.10.1.2).
- Affected
- VMware vCenter Server · VMware Cloud Foundation
- CVSS v3.1 NVD
- 5.3 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS v2.0 NVD
- 5.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N - EPSS
- 88.01% chance of exploitation in the next 30 days, 100th percentile
- CISA KEV
- added 2022-03-07
- Nuclei
- medium · CWE-918
- Published
- 2021-02-24
- Updated
- 2025-10-21
Proof-of-concept exploits (1)
- freakanonymous/CVE-2021-21973-Automateme1★ · 2021-03-16
Nuclei templates (1)
Exploit collections (1)
- VMware vCenter Server 服务器端请求伪造漏洞 (CVE-2021-21973).mdtzwlhack/Vulnerability